Rounded prefinished stairnose corner structure



FIG. 1 is a front perspective view of an ornamental design for a rounded prefinished stairnose corner structure configured for an inner corner defined by a stairnose;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side perspective view thereof;

FIG. 8 is a left side perspective view thereof;

FIG. 9 is a front perspective view thereof, showing the rounded prefinished stairnose corner structure abutting to transition strips perpendicularly aligned over the stairnose, at the inner corner of the stairnose;

FIG. 10 is a front perspective view of an ornamental design for an embodiment of the rounded prefinished stairnose corner structure configured for an outer corner defined by the stairnose;

FIG. 11 is a rear perspective view thereof;

FIG. 12 is a front elevation view thereof;

FIG. 13 is a rear elevation view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom view thereof;

FIG. 16 is a right side perspective view thereof;

FIG. 17 is a left side perspective view thereof; and,

FIG. 18 is a rear perspective view thereof, showing the rounded prefinished stairnose corner structure abutting to transition strips perpendicularly aligned over the stairnose, at the outer corner of the stairnose.

The broken line showing of the transition strips and the stairnose in FIG. 9 and FIG. 18 is for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a rounded prefinished stairnose corner structure, as shown and described. 